North End Water Pollution Control Centre (NEWPCC) plant shutdown
River water quality test resultsRoutine Red River survey - 4 September, 2002 | |||||||
Sampling location | |||||||
Parameter | units | Floodway Control | Fort Garry Bridge | Norwood Bridge | Redwood Bridge | Chief Peguis Bridge | Lockport Bridge |
Temperature | ºC | 21.0 | 21.0 | 21.0 | 20.0 | 20.0 | 20.0 |
pH - field | units | 7.4 | 7.4 | 7.5 | 7.6 | 7.3 | 7.3 |
Dissolved oxygen | mg/L | 6.2 | 6.3 | 6.6 | 6.7 | 7.0 | 7.8 |
O2 saturation | % | 70.1 | 71.3 | 74.7 | 74.3 | 77.6 | 86.5 |
Chlorophyll-a | ug/L | 7.0 | 10.0 | 7.0 | 3.0 | 7.0 | 14.0 |
Enterococcus bacteria | colonies/100 mL | 700 | 500 | 490 | 430 | 880 | 540 |
Fecal coliform bacteria | colonies/100 mL | 210 | 150 | 400 | 300 | 2,400 | 400 |
Total coliform bacteria | colonies/100 mL | 2,000 | 1,900 | 3,600 | 5,600 | 10,100 | 6,100 |
Ammonia | mg/L N | <0.05 | <0.05 | <0.05 | <0.05 | 0.13 | <0.05 |
Ammonia, un-ionized | mg/L N | <0.0005 | <0.0005 | <0.0007 | <0.0008 | 0.0010 | <0.0004 |
Nitrate | mg/L N | 0.72 | 0.71 | 0.69 | 0.60 | 0.64 | 0.65 |
Total organic carbon | mg/L | 7 | 7 | 8 | 8 | 9 | 8 |
Turbidity | ntu | 300 | * | * | * | 250 | 350 |
Total solids | mg/L | 870 | * | * | * | 950 | 1120 |
Total suspended solids | mg/L | 610 | * | * | * | 560 | 752 |
Remark 1: Temperature, pH, & dissolved oxygen done on site.
Remark 2: Field monitoring conducted off bridges, with samples collected at a 1-meter depth.
* The routine monitoring program does not require turbidity, total solids and total suspended solids analyses at all locations.
Red River survey #1 - 17 September, 2002 | ||||||||||
Sampling location | ||||||||||
Parameter | units | Dunkirk Bridge | Provencher Bridge | Redwood Bridge | Chief Peguis Bridge - river centre | Chief Peguis Bridge - west bank | Chief Peguis Bridge - east bank | North Perimeter | Captain Kennedy's | Lockport Bridge |
Temperature | ºC | 19.7 | 19.0 | 19.5 | 19.0 | 18.9 | 19.0 | 18.2 | 18.9 | 18.9 |
pH - field | units | 7.8 | 7.8 | 7.9 | 7.7 | 7.7 | 7.7 | 7.7 | 7.8 | 7.7 |
Dissolved oxygen | mg/L | 7.8 | 7.9 | 8.2 | 7.6 | 7.4 | 7.6 | 7.5 | 8.1 | 8.0 |
O2 saturation | % | 85.9 | 85.8 | 90.0 | 82.5 | 80.2 | 82.5 | 80.1 | 87.8 | 86.7 |
Enterococcus bacteria | colonies/100 mL | 80 | 100 | 180 | 3,840 | 3,840 | 3,960 | 190 | 140 | 4,800 |
Fecal coliform bacteria | colonies/100 mL | 30 | 60 | 200 | * No Result | * No Result | * No Result | 250 | 200 | * No Result |
Total coliform bacteria | colonies/100 mL | 190 | 1,600 | 2,000 | * No Result | * No Result | * No Result | 2,800 | 1,600 | * No Result |
Ammonia | mg/L N | 0.06 | <0.05 | <0.05 | 0.13 | 0.17 | 0.10 | 0.13 | 0.10 | 0.14 |
Ammonia, un-ionized | mg/L N | 0.0014 | <0.0009 | <0.0012 | 0.0024 | 0.0024 | 0.0024 | 0.0022 | 0.0023 | 0.0025 |
Nitrate | mg/L N | 0.40 | 0.40 | 0.37 | 0.39 | 0.39 | 0.39 | 0.39 | 0.47 | 0.50 |
Total organic carbon | mg/L | 13 | 12 | 14 | 12 | 13 | 14 | 12 | 12 | 12 |
Biochemical oxygen demand | mg/L | <20 | <20 | <20 | <125 | <125 | <125 | <125 | <20 | <20 |
Remark 1: Temperature, pH, & dissolved oxygen done on site.
Remark 2: All samples collected from a boat at a one-meter depth.
Remark 3: Total coliform and fecal coliform counts are estimates only (according to the testing laboratory).
* No result reported for total coliform or fecal coliform tests due to a lab error at the contract lab conducting the microbiological analysis.
Red River survey #2 - 18 September, 2002 | |||||||||||
Sampling location | |||||||||||
Parameter | units | Provencher Bridge | Redwood Bridge | Chief Peguis Bridge - river centre | Chief Peguis Bridge - west bank | Chief Peguis Bridge - east bank | North Perimeter | Lister Rapids | Captain Kennedy's | Lockport Bridge | Upstream Selkirk |
Temperature (river centre) | ºC | 19.6 | 19.5 | 18.8 | * | * | 19.0 | 18.7 | 18.6 | 19.2 | 19.8 |
Temperature (west bank) | ºC | 19.5 | 18.5 | * | 18.7 | * | 18.7 | 18.9 | 19.0 | 19.1 | 19.8 |
Temperature (east bank) | ºC | 19.0 | 19.3 | * | * | 18.6 | 18.8 | 18.9 | 19.1 | 19.6 | 19.8 |
pH - field (river centre) | units | 7.7 | 7.8 | 7.9 | * | * | 7.9 | 7.8 | 7.9 | 7.9 | 8.0 |
pH - field (west bank) | units | 7.8 | 7.8 | * | 7.8 | * | 7.8 | 7.8 | 7.9 | 7.9 | 7.9 |
pH - field (east bank) | units | 7.8 | 7.7 | * | * | 7.9 | 7.9 | 7.8 | 7.9 | 7.9 | 8.0 |
Dissolved oxygen (river centre) | mg/L | 8.0 | 7.8 | 7.3 | * | * | 6.4 | 6.4 | 7.0 | 7.4 | 9.3 |
Oxygen saturation (river centre) | % | 88.0 | 85.6 | 78.9 | * | * | 69.5 | 69.1 | 75.4 | 80.7 | 102.7 |
Dissolved oxygen (west bank) | mg/L | 7.7 | 8.0 | * | 6.8 | * | 6.9 | 6.5 | 7.0 | 7.3 | 8.9 |
Oxygen saturation (west bank) | % | 84.5 | 86.0 | * | 73.4 | * | 74.5 | 70.4 | 76.0 | 79.4 | 98.2 |
Dissolved oxygen (east bank) | mg/L | 8.0 | 7.8 | * | * | 7.4 | 6.8 | 6.3 | 7.1 | 7.4 | 9.2 |
Oxygen saturation (east bank) | % | 86.9 | 85.2 | * | * | 79.7 | 73.5 | 68.3 | 77.3 | 81.4 | 101.6 |
Enterococcus bacteria | colonies/100 mL | 50 | 90 | 830 | 1,580 | 910 | 1,370 | 2,200 | 800 | 740 | 100 |
Fecal coliform bacteria | colonies/100 mL | 180 | 350 | 43,000 | 82,000 | 19,000 | 31,700 | 8,640 | 22,000 | 13,000 | 200 |
Total coliform bacteria | colonies/100 mL | 1,400 | 2,200 | 480,000 | 280,000 | 220,000 | 202,000 | 96,800 | 240,000 | 224,000 | 1,000 |
Ammonia | mg/L N | <0.05 | <0.05 | 0.10 | 0.28 | 0.09 | 0.20 | 0.29 | 0.12 | 0.09 | <0.05 |
Ammonia, un-ionized | mg/L N | <0.0011 | <0.0011 | 0.0023 | 0.0064 | 0.0020 | 0.0045 | 0.0066 | 0.0027 | 0.0020 | <0.0019 |
Nitrate | mg/L N | 0.38 | 0.35 | 0.36 | 0.37 | 0.37 | 0.37 | 0.39 | 0.43 | 0.44 | 0.43 |
Total organic carbon | mg/L | 15 | 14 | 14 | 15 | 14 | 15 | 13 | 14 | 14 | 15 |
Biochemical oxygen demand | mg/L | <10 | <10 | <20 | <20 | <20 | <20 | <10 | <10 | <10 | <10 |
Remark 1: Temperature, pH, & dissolved oxygen done on site.
Remark 2: All samples collected from a boat at a one-meter depth.
Remark 3: Total coliform and fecal coliform counts are estimates only (according to the testing laboratory).
* This location not normally tested
Red River survey #3 - 19 September, 2002 | |||||||||||
Sampling location | |||||||||||
Parameter | units | Provencher Bridge | Redwood Bridge | Chief Peguis Bridge - river centre | Chief Peguis Bridge - west bank | Chief Peguis Bridge - east bank | North Perimeter | Lister Rapids | Captain Kennedy's | Lockport Bridge | Upstream Selkirk |
Temperature (river centre) | ºC | 18.7 | 18.8 | 18.5 | * | * | 18.5 | 18.3 | 18.4 | 18.7 | 18.5 |
Temperature (west bank) | ºC | 18.6 | 18.4 | * | 18.2 | * | 18.3 | 18.4 | 18.2 | 18.7 | 18.3 |
Temperature (east bank) | ºC | 18.7 | 18.9 | * | * | 18.3 | 18.4 | 18.0 | 18.4 | 18.4 | 18.5 |
pH - field (river centre) | units | 8.1 | 8.2 | 8.0 | * | * | 7.7 | 7.8 | 8.0 | 7.8 | 7.8 |
pH - field (west bank) | units | 8.1 | 8.2 | * | 8.2 | * | 7.7 | 7.8 | 7.8 | 7.8 | 7.8 |
pH - field (east bank) | units | 8.1 | 8.1 | * | * | 7.3 | 7.5 | 8.0 | 7.8 | 7.9 | 7.8 |
Dissolved oxygen (river centre) | mg/L | 8.0 | 7.3 | 7.1 | * | * | 6.5 | 6.0 | 6.8 | 6.6 | 8.6 |
Oxygen saturation (river centre) | % | 86.3 | 78.9 | 76.3 | * | * | 69.9 | 64.2 | 72.9 | 71.2 | 92.4 |
Dissolved oxygen (west bank) | mg/L | 7.5 | 7.2 | * | 7.1 | * | 6.5 | 6.0 | 6.8 | 6.5 | 8.7 |
Oxygen saturation (west bank) | % | 80.8 | 77.2 | * | 75.8 | * | 69.6 | 64.3 | 72.6 | 70.1 | 93.1 |
Dissolved oxygen (east bank) | mg/L | 7.9 | 7.2 | * | * | 7.2 | 6.4 | 6.1 | 6.7 | 6.7 | 8.7 |
Oxygen saturation (east bank) | % | 85.3 | 78.0 | * | * | 77.1 | 68.6 | 64.9 | 71.9 | 71.9 | 93.5 |
Enterococcus bacteria | colonies/100 mL | 650 | 1,070 | 330 | 1,170 | 230 | 1,210 | 1,370 | 940 | 220 | 710 |
Fecal coliform bacteria | colonies/100 mL | 3,840 | 10,600 | 16,000 | 69,000 | 17,000 | 5,760 | 24,000 | 57,600 | 65,000 | 23,400 |
Total coliform bacteria | colonies/100 mL | 6,720 | 106,000 | 151,000 | 298,000 | 192,000 | 96,000 | 154,000 | 96,000 | 76,000 | 96,000 |
Ammonia | mg/L N | <0.05 | 0.09 | 0.09 | 2.30 | 0.10 | 0.74 | 0.43 | 0.23 | 0.27 | 0.18 |
Ammonia, un-ionized | mg/L N | <0.0022 | 0.005 | 0.0032 | 0.0156 | 0.0051 | 0.0099 | 0.0114 | 0.0061 | 0.0061 | 0.0038 |
Nitrate | mg/L N | 0.38 | 0.34 | 0.32 | 0.72 | 0.32 | 0.56 | 0.37 | 0.39 | 0.41 | 0.43 |
Total organic carbon | mg/L | 15 | 14 | 14 | 15 | 14 | 14 | 15 | 13 | 13 | 12 |
Biochemical oxygen demand | mg/L | <10 | <10 | <20 | <20 | <20 | <20 | <20 | <10 | <10 | <10 |
Remark 1: Temperature, pH, & dissolved oxygen done on site.
Remark 2: All samples collected from a boat at a one-meter depth.
Remark 3: Total coliform and fecal coliform counts are estimates only (according to the testing laboratory).
* This location not normally tested
Red River survey #4 - 20 September, 2002 | |||||||||||
Sampling location | |||||||||||
Parameter | units | Provencher Bridge | Redwood Bridge | Chief Peguis Bridge - river centre | Chief Peguis Bridge - west bank | Chief Peguis Bridge - east bank | North Perimeter | Lister Rapids | Captain Kennedy's | Lockport Bridge | Upstream Selkirk |
Temperature (river centre) | ºC | 18.3 | 18.1 | 17.9 | * | * | 18.0 | 17.9 | 18.1 | 18.1 | 18.2 |
Temperature (west bank) | ºC | 18.0 | 17.8 | * | 17.9 | * | 18.1 | 17.8 | 18.2 | 18.3 | 18.2 |
Temperature (east bank) | ºC | 18.2 | 18.1 | * | * | 17.9 | 17.8 | 17.9 | 17.8 | 17.6 | 18.0 |
pH - field (river centre) | units | 8.0 | 8.1 | 7.9 | * | * | 7.9 | 8.0 | 7.7 | 7.6 | 7.9 |
pH - field (west bank) | units | 8.1 | 8.1 | * | 8.0 | * | 7.9 | 7.8 | 7.7 | 7.5 | 7.8 |
pH - field (east bank) | units | 8.1 | 8.0 | * | * | 8.1 | 8.0 | 7.9 | 7.9 | 7.8 | 7.9 |
Dissolved oxygen (river centre) | mg/L | 8.1 | 8.1 | 7.8 | * | * | 7.6 | 7.4 | 6.7 | 5.4 | 8.8 |
Oxygen saturation (river centre) | % | 86.7 | 86.3 | 82.8 | * | * | 80.8 | 78.5 | 71.4 | 57.5 | 94.0 |
Dissolved oxygen (west bank) | mg/L | 8.1 | 8.0 | * | 7.8 | * | 7.6 | 7.4 | 6.8 | 5.7 | 8.7 |
Oxygen saturation (west bank) | % | 86.1 | 84.7 | * | 82.8 | * | 81.0 | 78.4 | 72.6 | 61.0 | 92.9 |
Dissolved oxygen (east bank) | mg/L | 8.1 | 8.0 | * | * | 7.8 | 7.6 | 7.3 | 6.7 | 5.4 | 8.8 |
Oxygen saturation (east bank) | % | 86.5 | 85.3 | * | * | 82.8 | 80.5 | 77.5 | 70.9 | 56.9 | 93.6 |
Enterococcus bacteria | colonies/100 mL | 140 | 380 | 370 | 450 | 370 | 540 | 550 | 680 | 800 | 470 |
Fecal coliform bacteria | colonies/100 mL | 550 | 202,000 | <1000 | 3,000 | 4,000 | 15,000 | 14,000 | 28,000 | 65,000 | 1,700 |
Total coliform bacteria | colonies/100 mL | 700 | 200,000 | 22,000 | 18,000 | 13,000 | 81,000 | 22,000 | 138,000 | 282,000 | 15,000 |
Ammonia | mg/L N | <0.05 | 0.08 | 0.05 | 0.13 | <0.05 | 0.24 | 0.29 | 0.55 | 0.51 | 0.23 |
Ammonia, un-ionized | mg/L N | <0.0017 | 0.0033 | 0.0013 | 0.0043 | <0.0021 | 0.0063 | 0.0077 | 0.0116 | 0.0068 | 0.0049 |
Nitrate | mg/L N | 0.40 | 0.37 | 0.38 | 0.39 | 0.39 | 0.34 | 0.35 | 0.51 | 0.54 | 0.41 |
Total organic carbon | mg/L | 12 | 13 | 13 | 14 | 13 | 14 | 14 | 13 | 12 | 12 |
Biochemical oxygen demand | mg/L | <20 | <20 | <20 | <20 | <20 | <20 | <20 | <20 | <20 | <20 |
Remark 1: Temperature, pH, & dissolved oxygen done on site.
Remark 2: All samples collected from a boat at a one-meter depth.
* This location not normally tested
Red River survey #5 - 21 September, 2002 | |||||||||||||||
Sampling location | |||||||||||||||
Parameter | units | Provencher Bridge | Redwood Bridge | Chief Peguis Bridge - river centre | Chief Peguis Bridge - west bank | Chief Peguis Bridge - east bank | North Perimeter | Lister Rapids | Captain Kennedy's | Lockport Bridge | Upstream Selkirk | Selkirk boat launch / picnic area | Highway 4 | Red R. @ Boat Launch N of Hwy #4 | Netley Creek |
Temperature (river centre) | ºC | 16.6 | 16.9 | 16.7 | * | * | 16.7 | 16.8 | 16.8 | 16.7 | 16.9 | 16.4 | 16.3 | 16.3 | 16.4 |
Temperature (west bank) | ºC | 16.8 | 16.8 | * | 16.1 | * | 16.5 | 16.4 | 16.9 | 16.6 | 16.7 | # | # | # | # |
Temperature (east bank) | ºC | 16.8 | 16.1 | * | * | 16.8 | 16.8 | 16.7 | 16.4 | 16.8 | 17.0 | # | # | # | # |
pH - field (river centre) | units | 8.0 | 7.9 | 7.9 | * | * | 7.9 | 7.9 | 8.0 | 8.0 | 7.8 | 7.8 | 7.9 | 8.0 | 7.9 |
pH - field (west bank) | units | 7.9 | 8.0 | * | 7.8 | * | 8.1 | 7.9 | 7.9 | 8.0 | 7.9 | # | # | # | # |
pH - field (east bank) | units | 7.8 | 7.8 | * | * | 7.9 | 7.9 | 7.9 | 8.0 | 8.0 | 7.9 | # | # | # | # |
Dissolved oxygen (river centre) | mg/L | 8.6 | 8.7 | 8.6 | * | * | 8.3 | 8.3 | 8.3 | 8.4 | 9.4 | 9.1 | 8.9 | 9.0 | 8.9 |
Oxygen saturation (river centre) | % | 88.8 | 90.4 | 89.0 | * | * | 85.9 | 86.0 | 86.0 | 86.9 | 97.7 | 93.5 | 91.3 | 92.3 | 91.5 |
Dissolved oxygen (west bank) | mg/L | 8.5 | 8.6 | * | 8.5 | * | 8.1 | 8.3 | 8.3 | 8.4 | 9.3 | # | # | # | # |
Oxygen saturation (west bank) | % | 88.1 | 89.1 | * | 86.8 | * | 83.4 | 85.3 | 86.2 | 86.7 | 96.2 | # | # | # | # |
Dissolved oxygen (east bank) | mg/L | 8.6 | 8.7 | * | * | 8.7 | 8.4 | 8.3 | 8.3 | 8.4 | 9.5 | # | # | # | # |
Oxygen saturation (east bank) | % | 89.1 | 88.8 | * | * | 90.2 | 87.1 | 85.9 | 85.3 | 87.1 | 98.9 | # | # | # | # |
Enterococcus bacteria | colonies/100 mL | 130 | 160 | 200 | 70 | <100 | 300 | 200 | 420 | 330 | 200 | 280 | 40 | 30 | 230 |
Fecal coliform bacteria | colonies/100 mL | 200 | 400 | 700 | 1,200 | 600 | 1,600 | 28,000 | 7,000 | 2,500 | 3,000 | 1,180 | 200 | 330 | 1,700 |
Total coliform bacteria | colonies/100 mL | 3,300 | 9,000 | 14,000 | 22,000 | 10,000 | 15,000 | 29,000 | 33,000 | 12,900 | 11,300 | 14,800 | 4,200 | 6,800 | 14,400 |
Ammonia | mg/L N | 0.06 | 0.08 | 0.07 | 0.49 | 0.08 | 0.21 | 0.31 | 0.15 | 0.16 | 0.32 | + | + | + | + |
Ammonia, un-ionized | mg/L N | 0.0015 | 0.0025 | 0.0017 | 0.0089 | 0.0020 | 0.0065 | 0.0076 | 0.0046 | 0.0049 | 0.0079 | + | + | + | + |
Nitrate | mg/L N | 0.39 | 0.37 | 0.36 | 0.42 | 0.35 | 0.37 | 0.38 | 0.39 | 0.39 | 0.49 | + | + | + | + |
Total organic carbon | mg/L | 12 | 11 | 13 | 14 | 12 | 12 | 12 | 13 | 14 | 15 | + | + | + | + |
Biochemical oxygen demand | mg/L | <10 | <10 | <10 | <10 | <10 | <10 | <10 | <10 | <10 | <10 | + | + | + | + |
Remark 1: Temperature, pH, & dissolved oxygen done on site.
Remark 2: All samples collected from a boat at a one-meter depth.
* This location not normally tested
# Sampling conducted in main channel only
+ Chemical analysis not conducted at these locations
Red River survey #6 - 22 September, 2002 | |||||||||||||||
Sampling location | |||||||||||||||
Parameter | units | Provencher Bridge | Redwood Bridge | Chief Peguis Bridge - river centre | Chief Peguis Bridge - west bank | Chief Peguis Bridge - east bank | North Perimeter | Lister Rapids | Captain Kennedy's | Lockport Bridge | Upstream Selkirk | Selkirk boat launch / picnic area | Highway #4 | Boat Launch N of Hwy #4 | Netley Creek |
Temperature (river centre) | ºC | 15.0 | 15.2 | 15.3 | * | * | 15.3 | 15.5 | 15.6 | 15.5 | 15.7 | 15.6 | 15.6 | 14.7 | 14.9 |
Temperature (west bank) | ºC | 15.6 | 15.5 | * | 14.6 | * | 15.6 | 14.8 | 15.3 | 14.9 | 15.5 | # | # | # | # |
Temperature (east bank) | ºC | 15.5 | 14.5 | * | * | 15.5 | 14.6 | 15.6 | 15.5 | 15.6 | 15.3 | # | # | # | # |
pH - field (river centre) | units | 7.8 | 7.7 | 7.9 | * | * | 7.8 | 7.8 | 7.9 | 8.0 | 7.3 | 8.0 | 7.9 | 7.8 | 7.9 |
pH - field (west bank) | units | 7.6 | 7.8 | * | 7.6 | * | 7.8 | 7.9 | 8.0 | 8.0 | 8.0 | # | # | # | # |
pH - field (east bank) | units | 7.8 | 7.8 | * | * | 7.9 | 7.9 | 7.8 | 8.0 | 8.0 | 7.9 | # | # | # | # |
Dissolved oxygen (river centre) | mg/L | 9.4 | 9.2 | 9.1 | * | * | 8.9 | 8.6 | 8.9 | 8.9 | 10.5 | 10.3 | 10.1 | 9.2 | 9.4 |
Oxygen saturation (river centre) | % | 93.7 | 92.1 | 91.3 | * | * | 89.3 | 86.7 | 89.9 | 89.7 | 106.3 | 104.0 | 102.0 | 91.1 | 93.5 |
Dissolved oxygen (west bank) | mg/L | 9.0 | 9.1 | * | 8.9 | * | 8.8 | 8.6 | 8.9 | 8.9 | 10.2 | # | # | # | # |
Oxygen saturation (west bank) | % | 90.9 | 91.7 | * | 87.9 | * | 88.9 | 85.3 | 89.3 | 88.5 | 102.8 | # | # | # | # |
Dissolved oxygen (east bank) | mg/L | 9.2 | 9.2 | * | * | 9.2 | 8.8 | 8.6 | 9.1 | 8.9 | 10.4 | # | # | # | # |
Oxygen saturation (east bank) | % | 92.7 | 90.7 | * | * | 92.7 | 86.9 | 86.9 | 91.7 | 89.9 | 104.3 | # | # | # | # |
Enterococcus bacteria | colonies/100 mL | 330 | 520 | 200 | 500 | 300 | 400 | 1,300 | 190 | 120 | 140 | 230 | 30 | 30 | 20 |
Fecal coliform bacteria | colonies/100 mL | 350 | 1,520 | 950 | 1,020 | 860 | 2,200 | 5,400 | 2,400 | 870 | 1,100 | 1,000 | 1,100 | 320 | 2,300 |
Total coliform bacteria | colonies/100 mL | 4,600 | 8,700 | 9,200 | 12,500 | 8,700 | 13,100 | 13,400 | 18,200 | 24,000 | 26,000 | 26,000 | 12,600 | 7,000 | 5,500 |
Ammonia | mg/L N | 0.08 | 0.10 | 0.10 | 0.72 | 0.10 | 0.29 | 0.44 | 0.22 | 0.25 | 0.28 | + | + | + | + |
Ammonia, un-ionized | mg/L N | 0.0011 | 0.0017 | 0.0021 | 0.0077 | 0.0021 | 0.0062 | 0.0075 | 0.0063 | 0.0066 | 0.0080 | + | + | + | + |
Nitrate | mg/L N | 0.38 | 0.36 | 0.35 | 0.43 | 0.35 | 0.37 | 0.39 | 0.40 | 0.40 | 0.45 | + | + | + | + |
Total organic carbon | mg/L | 13 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 14 | 13 | + | + | + | + |
Biochemical oxygen demand | mg/L | <10 | <10 | <10 | <10 | <10 | <10 | <10 | <10 | <10 | <10 | + | + | + | + |
Remark 1: Temperature, pH, & dissolved oxygen done on site.
Remark 2: All samples collected from a boat at a one-meter depth.
* This location not normally tested
# Sampling conducted in main channel only
+ Chemical analysis not conducted at these locations
Red River survey #7 - 23 September, 2002 | ||||||||||||||||
Sampling location | ||||||||||||||||
Parameter | units | Redboine Boat Club | Provencher Bridge | Redwood Bridge | Chief Peguis Bridge - river centre | Chief Peguis Bridge - west bank | Chief Peguis Bridge - east bank | North Perimeter | Lister Rapids | Captain Kennedy's | Lockport Bridge | Upstream Selkirk | Selkirk boat launch / picnic area | Highway 4 | Boat launch N of Hwy #4 | Netley Creek |
Temperature (river centre) | ºC | 13.8 | 14.6 | 14.4 | 14.3 | * | * | 14.6 | 14.6 | 14.6 | 15.1 | 14.2 | 14.1 | 14.2 | 14.0 | 14.1 |
Temperature (west bank) | ºC | # | 14.8 | 14.7 | * | 14.3 | * | 14.6 | 14.3 | 15.1 | 14.3 | 14.3 | # | # | # | # |
Temperature (east bank) | ºC | # | 14.7 | 14.4 | * | * | 14.6 | 14.7 | 14.9 | 14.6 | 14.8 | 14.4 | # | # | # | # |
pH - field (river centre) | units | 8.0 | 7.8 | 7.9 | 7.9 | * | * | 8.0 | 8.0 | 8.0 | 7.9 | 8.0 | 8.1 | 8.0 | 8.0 | 7.9 |
pH - field (west bank) | units | # | 7.8 | 7.9 | * | 7.7 | * | 8.0 | 8.0 | 7.9 | 7.9 | 8.0 | # | # | # | # |
pH - field (east bank) | units | # | 7.8 | 7.9 | * | * | 8.0 | 8.0 | 7.9 | 8.0 | 7.9 | 8.0 | # | # | # | # |
Dissolved oxygen (river centre) | mg/L | 9.4 | 9.5 | 9.5 | 9.2 | * | * | 9.0 | 8.8 | 9.0 | 8.8 | 10.6 | 10.6 | 10.7 | 10.1 | 9.5 |
Oxygen saturation (river centre) | % | 91.2 | 93.8 | 93.4 | 90.3 | * | * | 88.9 | 86.9 | 88.9 | 87.9 | 103.8 | 103.5 | 104.7 | 98.4 | 92.8 |
Dissolved oxygen (west bank) | mg/L | # | 9.6 | 9.3 | * | 9.9 | * | 8.9 | 8.7 | 8.7 | 8.8 | 10.3 | # | # | # | # |
Oxygen saturation (west bank) | % | # | 95.2 | 92.1 | * | 97.1 | * | 87.9 | 85.4 | 86.9 | 86.3 | 101.1 | # | # | # | # |
Dissolved oxygen (east bank) | mg/L | # | 9.5 | 9.4 | * | * | 9.2 | 8.9 | 8.7 | 9.1 | 8.9 | 10.6 | # | # | # | # |
Oxygen saturation (east bank) | % | # | 94.0 | 92.4 | * | * | 90.9 | 88.1 | 86.5 | 89.9 | 88.3 | 104.2 | # | # | # | # |
Enterococcus bacteria | colonies/100 mL | 210 | 370 | 370 | 590 | 550 | 390 | 420 | 580 | 400 | 430 | 350 | 120 | 140 | 80 | 270 |
Fecal coliform bacteria | colonies/100 mL | 120 | 220 | 420 | 510 | 760 | 330 | 570 | 1900 | 1500 | 980 | 660 | 590 | 680 | 490 | 210 |
Total coliform bacteria | colonies/100 mL | 1400 | 3200 | 3900 | 2600 | 8400 | 5400 | 7100 | 7900 | 10200 | 11700 | 9200 | 11000 | 11800 | 7800 | 6900 |
Ammonia | mg/L N | + | <0.05 | 0.12 | 0.12 | 1.70 | 0.11 | 0.22 | 0.32 | 0.20 | 0.35 | 0.29 | + | + | + | + |
Ammonia, un-ionized | mg/L N | + | <0.0008 | 0.0025 | 0.0024 | 0.0213 | 0.0029 | 0.0058 | 0.0085 | 0.0053 | 0.0074 | 0.0072 | + | + | + | + |
Nitrate | mg/L N | + | 0.34 | 0.37 | 0.37 | 0.51 | 0.37 | 0.39 | 0.40 | 0.41 | 0.45 | 0.50 | + | + | + | + |
Total organic carbon | mg/L | + | 14 | 15 | 15 | 14 | 14 | 13 | 12 | 12 | 13 | 12 | + | + | + | + |
Biochemical oxygen demand | mg/L | + | <4 | <2.5 | <4 | <4 | <4 | <4 | <2.5 | <2.5 | <4 | <2.5 | + | + | + | + |
Remark 1: Temperature, pH, & dissolved oxygen done on site.
Remark 2: All samples collected from a boat at a one-meter depth.
* This location not normally tested
# Sampling conducted in main channel only
+ Chemical analysis not conducted at these locations
Red River survey #8 - 24 September, 2002 | |||||||
Sampling location | |||||||
Parameter | units | Redboine Boating Club | Provencher Bridge | North Perimeter | Lockport Bridge | Upstream Selkirk | Netley Creek |
Temperature (river centre) | ºC | 13.7 | 14.0 | 13.7 | 13.7 | 13.8 | 14.2 |
Temperature (west bank) | ºC | 14.1 | 13.8 | 13.8 | 14.1 | 14.1 | # |
Temperature (east bank) | ºC | 14.0 | 13.8 | 13.8 | 13.9 | 12.8 | # |
pH - field (river centre) | units | 7.9 | 7.7 | 7.7 | 7.8 | 7.9 | 7.9 |
pH - field (west bank) | units | 7.8 | 7.7 | 7.7 | 7.9 | 7.9 | # |
pH - field (east bank) | units | 7.9 | 7.6 | 7.7 | 7.9 | 7.9 | # |
Dissolved oxygen (river centre) | mg/L | 8.8 | 10.0 | 9.6 | 9.4 | 10.9 | 10.4 |
Oxygen saturation (river centre) | % | 85.2 | 97.4 | 92.9 | 91.0 | 105.7 | 101.8 |
Dissolved oxygen (west bank) | mg/L | 8.9 | 9.9 | 9.5 | 9.3 | 10.9 | # |
Oxygen saturation (west bank) | % | 86.9 | 96.0 | 92.2 | 90.8 | 106.5 | # |
Dissolved oxygen (east bank) | mg/L | 8.9 | 9.8 | 9.5 | 9.4 | 10.9 | # |
Oxygen saturation (east bank) | % | 86.7 | 95.1 | 92.2 | 91.4 | 103.3 | # |
Enterococcus bacteria | colonies/100 mL | 120 | 180 | 220 | 240 | 260 | 50 |
Fecal coliform bacteria | colonies/100 mL | 800 | 100 | 440 | 760 | 800 | 320 |
Total coliform bacteria | colonies/100 mL | 1100 | 1100 | 5900 | 9200 | 10200 | 8000 |
Ammonia | mg/L N | 0.12 | 0.07 | 0.31 | 0.27 | 0.19 | 0.21 |
Ammonia, un-ionized | mg/L N | 0.0019 | 0.0009 | 0.0039 | 0.0053 | 0.0037 | 0.0041 |
Nitrate | mg/L N | 0.50 | 0.35 | 0.36 | 0.42 | 0.43 | 0.46 |
Total organic carbon | mg/L | 14 | 12 | 14 | 14 | 13 | 14 |
Biochemical oxygen demand | mg/L | <2.5 | <2.5 | <4 | <4 | <4 | <4 |
Remark 1: Temperature, pH, & dissolved oxygen done on site.
Remark 2: All samples collected from a boat at a one-meter depth.
# Sampling conducted in main channel only
Red River survey #9 - 25 September, 2002 | |||||||
Sampling location | |||||||
Parameter | units | Redboine Boating Club | Provencher Bridge | North Perimeter | Lockport Bridge | Upstream Selkirk | Netley Creek |
Temperature (river centre) | ºC | 12.3 | 12.5 | 11.9 | 12.7 | 12.6 | 12.1 |
Temperature (west bank) | ºC | 12.6 | 12.3 | 12.1 | 12.6 | 11.9 | # |
Temperature (east bank) | ºC | 12.6 | 12.5 | 12.7 | 11.1 | 12.6 | # |
pH - field (river centre) | units | 7.9 | 7.7 | 7.8 | 7.8 | 7.9 | 8.0 |
pH - field (west bank) | units | 7.7 | 7.7 | 7.8 | 7.8 | 8.0 | # |
pH - field (east bank) | units | 7.9 | 7.8 | 7.7 | 7.9 | 7.9 | # |
Dissolved oxygen (river centre) | mg/L | 8.3 | 8.3 | 8.4 | 8.6 | 10.0 | 9.2 |
Oxygen saturation (river centre) | % | 77.8 | 78.1 | 78.0 | 81.3 | 94.4 | 85.8 |
Dissolved oxygen (west bank) | mg/L | 8.1 | 8.3 | 8.3 | 8.6 | 9.6 | # |
Oxygen saturation (west bank) | % | 76.4 | 77.8 | 77.4 | 81.2 | 89.1 | # |
Dissolved oxygen (east bank) | mg/L | 8.3 | 8.4 | 8.5 | 8.6 | 10.0 | # |
Oxygen saturation (east bank) | % | 78.3 | 79.1 | 80.4 | 78.3 | 94.4 | # |
Enterococcus bacteria | colonies/100 mL | 200 | 240 | 170 | 150 | 130 | 150 |
Fecal coliform bacteria | colonies/100 mL | 240 | 150 | 1050 | 740 | 590 | 330 |
Total coliform bacteria | colonies/100 mL | 2300 | 2700 | 5900 | 6600 | 6200 | 3600 |
Ammonia | mg/L N | 0.10 | 0.10 | 0.53 | 0.42 | 0.22 | 0.20 |
Ammonia, un-ionized | mg/L N | 0.0018 | 0.0011 | 0.0057 | 0.0057 | 0.0039 | 0.0043 |
Nitrate | mg/L N | 0.53 | 0.53 | 0.42 | 0.47 | 0.45 | 0.48 |
Total organic carbon | mg/L | 14 | 14 | 14 | 14 | 14 | 13 |
Biochemical oxygen demand | mg/L | <2.5 | <2.5 | <4 | <4 | <4 | <4 |
Remark 1: Temperature, pH, & dissolved oxygen done on site.
Remark 2: All samples collected from a boat at a one-meter depth.
# Sampling conducted in main channel only
This page was last updated on April 15, 2024 |